Demo.Downlist = BI.inherit(BI.Widget, { props: { baseCls: "demo-downlist" }, mounted: function () { var downlist = this.downlist; var label = this.label; downlist.on(BI.DownListCombo.EVENT_CHANGE, function (value, fatherValue) { label.setValue(JSON.stringify(downlist.getValue())); }); this.downlist.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function (value, fatherValue) { label.setValue(JSON.stringify(downlist.getValue())); }); }, render: function () { var self = this; return { type: "bi.horizontal_adapt", items: [{ type: "bi.down_list_combo", ref: function (_ref) { self.downlist = _ref; }, cls: "layout-bg3", value: [{"childValue":22,"value":11},{"value":18},{"value":20}], height: 30, width: 100, items: [ [{ el: { text: "column 1111", iconCls1: "check-mark-e-font", value: 11 }, children: [{ text: "column 1.1", value: 21, cls: "dot-e-font" }, { text: "column 1.222222222222222222222222222222222222", cls: "dot-e-font", value: 22 }] }], [{ el: { type: "bi.icon_text_icon_item", text: "column 2", iconCls1: "chart-type-e-font", cls: "dot-e-font", value: 12 }, disabled: true, children: [{ type: "bi.icon_text_item", cls: "dot-e-font", height: 25, text: "column 2.1", value: 11 }, { text: "column 2.2", value: 12, cls: "dot-e-font" }] }], [{ text: "column 8", value: 18, cls: "dot-e-font" }, { text: "column 9", cls: "dot-e-font", value: 19 } ], [{ text: "column 10", value: 20, cls: "dot-e-font" }, { text: "column 11", cls: "dot-e-font", value: 21 }, { text: "column 12", cls: "dot-e-font", value: 22 }, { text: "column 13", cls: "dot-e-font", value: 23 }, { text: "column 14", cls: "dot-e-font", value: 24 }, { text: "column 15", cls: "dot-e-font", value: 23 } ] ] }, { type: "bi.label", text: "显示选择值", width: 500, cls: "layout-bg4", ref: function (_ref) { self.label = _ref; } }], vgap: 20 }; } }); BI.shortcut("demo.down_list", Demo.Downlist);